We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMicrobial production of vitamin B12.AuthorsMartens JH; Barg H; Warren MJ; Jahn DPublicationApplied microbiology and biotechnology, 2002, Vol 58, Issue 3, p275ISSN0175-7598Publication typearticleDOI10.1007/s00253-001-0902-7